# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-02 18:55:20 EDT # # ---------------------------------- WARNING ---------------------------------------- # Some of the data that you have obtained from this U.S. Geological Survey database # may not have received Director's approval. Any such data values are qualified # as provisional and are subject to revision. Provisional data are released on the # condition that neither the USGS nor the United States Government may be held liable # for any damages resulting from its use. # # More data may be available offline. # For more information on these data, contact USGS Water Data Inquiries. # This file contains the annual peak streamflow data. # # This information includes the following fields: # # agency_cd Agency Code # site_no USGS station number # peak_dt Date of peak streamflow (format YYYY-MM-DD) # peak_tm Time of peak streamflow (24 hour format, 00:00 - 23:59) # peak_va Annual peak streamflow value in cfs # peak_cd Peak Discharge-Qualification codes (see explanation below) # gage_ht Gage height for the associated peak streamflow in feet # gage_ht_cd Gage height qualification codes # year_last_pk Peak streamflow reported is the highest since this year # ag_dt Date of maximum gage-height for water year (if not concurrent with peak) # ag_tm Time of maximum gage-height for water year (if not concurrent with peak # ag_gage_ht maximum Gage height for water year in feet (if not concurrent with peak # ag_gage_ht_cd maximum Gage height code # # Sites in this file include: # USGS 05451500 Iowa River at Marshalltown, IA # # Peak Streamflow-Qualification Codes(peak_cd): # 1 ... Discharge is a Maximum Daily Average # 2 ... Discharge is an Estimate # 3 ... Discharge affected by Dam Failure # 4 ... Discharge less than indicated value, # which is Minimum Recordable Discharge at this site # 5 ... Discharge affected to unknown degree by # Regulation or Diversion # 6 ... Discharge affected by Regulation or Diversion # 7 ... Discharge is an Historic Peak # 8 ... Discharge actually greater than indicated value # 9 ... Discharge due to Snowmelt, Hurricane, # Ice-Jam or Debris Dam breakup # A ... Year of occurrence is unknown or not exact # Bd ... Day of occurrence is unknown or not exact # Bm ... Month of occurrence is unknown or not exact # C ... All or part of the record affected by Urbanization, # Mining, Agricultural changes, Channelization, or other # F ... Peak supplied by another agency # O ... Opportunistic value not from systematic data collection # R ... Revised # # Gage height qualification codes(gage_ht_cd,ag_gage_ht_cd): # 1 ... Gage height affected by backwater # 2 ... Gage height not the maximum for the year # 3 ... Gage height at different site and(or) datum # 4 ... Gage height below minimum recordable elevation # 5 ... Gage height is an estimate # 6 ... Gage datum changed during this year # 7 ... Debris, mud, or hyper-concentrated flow # 8 ... Gage height tidally affected # Bd ... Day of occurrence is unknown or not exact # Bm ... Month of occurrence is unknown or not exact # F ... Peak supplied by another agency # R ... Revised # # agency_cd site_no peak_dt peak_tm peak_va peak_cd gage_ht gage_ht_cd year_last_pk ag_dt ag_tm ag_gage_ht ag_gage_ht_cd 5s 15s 10d 6s 8s 33s 8s 27s 4s 10d 6s 8s 27s USGS 05451500 1903-05-29 7760 6.80 USGS 05451500 1915-06-01 9440 13.80 6 USGS 05451500 1916-03-29 3620 9.50 USGS 05451500 1917-03-27 13000 14.60 USGS 05451500 1918-06-04 42000 17.74 USGS 05451500 1919-03-17 7480 13.00 USGS 05451500 1919-10-06 6520 12.40 USGS 05451500 1921-09-17 8500 13.40 USGS 05451500 1922-02-24 5710 11.70 USGS 05451500 1923-04-04 4350 10.50 USGS 05451500 1924-06-29 9060 13.60 USGS 05451500 1925-06-19 2480 7.60 USGS 05451500 1926-09-19 10000 13.90 USGS 05451500 1927-06-09 7610 13.00 USGS 05451500 1929-08-03 15500 15.00 USGS 05451500 1930-04-01 4800 10.60 USGS 05451500 1933-04-04 17100 15.50 USGS 05451500 1934-01-24 1400 6.30 USGS 05451500 1935-03-05 12500 15.70 USGS 05451500 1936-03-09 8450 13.60 USGS 05451500 1937-03-06 9130 13.80 USGS 05451500 1938-05-06 4540 11.30 USGS 05451500 1939-03-13 9080 13.80 USGS 05451500 1940-06-23 2200 7.90 USGS 05451500 1941-09-08 2900 9.60 USGS 05451500 1942-06-03 18100 15.80 USGS 05451500 1943-02-27 4960 12.10 USGS 05451500 1944-05-20 18900 15.90 USGS 05451500 1945-03-16 8340 14.10 USGS 05451500 1946-01-06 14300 2 15.60 1 USGS 05451500 1947-06-13 20500 16.80 USGS 05451500 1948-02-28 15000 15.80 USGS 05451500 1949-03-05 10000 14.80 USGS 05451500 1950-03-07 14800 15.80 USGS 05451500 1951-03-29 15200 16.13 USGS 05451500 1952-03-11 6500 13.99 USGS 05451500 1953-02-21 7000 2 16.70 1 USGS 05451500 1954-08-28 11500 16.09 USGS 05451500 1955-02-20 3290 11.75 USGS 05451500 1956-05-13 2160 9.89 USGS 05451500 1957-06-16 7800 15.24 USGS 05451500 1958-06-13 5550 14.11 USGS 05451500 1959-03-27 10000 15.57 USGS 05451500 1960-03-31 21500 17.51 USGS 05451500 1961-03-31 7850 14.81 USGS 05451500 1962-03-29 9400 15.90 USGS 05451500 1963-03-16 3890 12.64 USGS 05451500 1964-05-08 2320 10.40 USGS 05451500 1965-04-06 17400 17.63 USGS 05451500 1966-06-13 8800 16.25 USGS 05451500 1967-06-13 6900 15.49 USGS 05451500 1968-07-20 3330 11.84 USGS 05451500 1969-07-09 31900 19.10 2 1969-07-09 1300 19.37 USGS 05451500 1970-05-14 6580 14.99 USGS 05451500 1971-03-15 11700 17.22 USGS 05451500 1972-06-14 10900 17.55 USGS 05451500 1973-04-17 8340 16.52 USGS 05451500 1974-06-23 15600 19.38 USGS 05451500 1975-03-21 11500 18.42 USGS 05451500 1976-04-19 8840 17.27 USGS 05451500 1977-08-17 6330 16.35 USGS 05451500 1978-09-21 6320 16.50 USGS 05451500 1979-03-19 20900 19.77 USGS 05451500 1980-06-14 6040 15.85 USGS 05451500 1981-06-25 4150 14.15 USGS 05451500 1982-03-20 9130 17.50 USGS 05451500 1983-07-04 10900 18.65 USGS 05451500 1984-06-14 11100 18.29 USGS 05451500 1985-03-04 6870 17.07 USGS 05451500 1986-07-01 10600 18.10 USGS 05451500 1987-08-27 5680 15.44 2 1986-10-13 15.99 USGS 05451500 1988-03-08 2980 2 13.94 1 USGS 05451500 1989-03-10 1300 2 13.90 1 USGS 05451500 1990-06-18 17300 20.38 USGS 05451500 1991-06-05 15200 19.97 USGS 05451500 1992-02-19 5310 16.10 USGS 05451500 1993-08-17 20400 20.77 USGS 05451500 1994-03-06 6420 16.75 USGS 05451500 1995-05-10 4330 15.48 USGS 05451500 1996-06-18 5970 16.52 USGS 05451500 1997-06-22 8890 17.87 USGS 05451500 1998-06-22 12600 19.66 USGS 05451500 1999-06-11 9790 18.22 USGS 05451500 2000-07-11 5790 16.41 USGS 05451500 2001-03-21 7910 17.43 USGS 05451500 2002-05-13 2750 13.08 USGS 05451500 2003-05-10 5420 16.37 USGS 05451500 2004-05-26 8330 18.18 USGS 05451500 2005-06-30 7240 17.13 USGS 05451500 2006-05-02 03:30 3610 14.22 USGS 05451500 2007-06-24 16900 20.13 USGS 05451500 2008-06-13 22400 21.79 USGS 05451500 2009-04-28 10100 18.30 USGS 05451500 2010-06-28 12100 19.00 USGS 05451500 2011-02-19 6480 2 16.93 1 USGS 05451500 2012-05-04 2400 13.09 USGS 05451500 2013-05-30 25500 22.08 USGS 05451500 2014-07-02 24500 22.25 USGS 05451500 2015-08-30 14300 19.99 USGS 05451500 2015-12-15 16800 20.38 USGS 05451500 2016-10-01 8510 17.63 USGS 05451500 2018-09-27 9000 18.25 USGS 05451500 2019-03-15 16:15 15700 20.32 USGS 05451500 2020-06-23 14:15 9250 18.21 USGS 05451500 2021-03-06 20:15 2010 2 USGS 05451500 2022-06-16 13:45 7020 16.64 USGS 05451500 2023-02-28 08:30 9290 17.71